2012
DOI: 10.1002/ange.201205156
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Electrophilic Trifluoromethanesulfanylation of Organometallic Species with Trifluoromethanesulfanamides

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Cited by 97 publications
(27 citation statements)
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“…Longer reaction times do not increase the yield, the reaction seems to be finished in 15 min (Table 1, entries 2 and 3). As previously observed in other works, the use of other bases with sodium or cesium cations is not efficient since only Li is a Lewis acid strong enough to activate 1a [38,44]. These optimal conditions have been extended to selected amines 2 (Fig.…”
Section: Resultsmentioning
confidence: 84%
“…Longer reaction times do not increase the yield, the reaction seems to be finished in 15 min (Table 1, entries 2 and 3). As previously observed in other works, the use of other bases with sodium or cesium cations is not efficient since only Li is a Lewis acid strong enough to activate 1a [38,44]. These optimal conditions have been extended to selected amines 2 (Fig.…”
Section: Resultsmentioning
confidence: 84%
“…In as imilar manner, unactivated 3-bromopyridines [20] 2j-o and 4-bromopyridines 2p-s reacted with 1 to affordt he corresponding products 3j-s in moderate yields ( Table 2, entries [10][11][12][13][14][15][16][17][18][19]. Ther eactioni sa lso compatible with av ariety of functional groups,s uch as nitrile, ester, nitro,c hloro,m ethoxy,o rt hiophene substituents.…”
Section: Resultsmentioning
confidence: 99%
“…[14] Although the synthesis of aryl trifluoromethyls ulfides has been comprehensively explored, versatilem ethodsf or the formationo fh eteroaryl trifluoromethyl sulfidesa re not so broadly developed. [15] Thet ransitionm etal-mediated trifluoromethylthiolation of heteroarylb romides is of significance to the pharmaceutical and agrochemicali ndustry because of the comparatively lower cost of heteroaryl bromides and the ubiquity of heterocyclic motifsi na ctive pharmaceutical ingredients. [16] However, the use of these substrates hasb een problematic due to the potential coordination of the product and/or substrate to the metal centerr esulting in the formation of inactive metal complexes.T herefore,n ovelr eagents andr eactions to synthesize heteroarylt rifluoromethyl sulfides are of value.…”
Section: Introductionmentioning
confidence: 99%
“…Dolbier et al entwickelten eine ähnliche Methode zur Trifluormethylierung von Disulfiden mit einem Gemisch aus TDAE und Iodtrifluormethan (Schema 114), [476] mit der beide Schwefelatome einfacher Disulfide mit 65-99 % Ausbeute trifluormethyliert werden. [478] Der Austausch von Chlorid durch S N Ar-Reaktion elektronenarmer Chlorarene mit Silbertrifluormethylthiolat liefert die gewünschten Aryltrifluormethylsulfide, auch wenn das Substratspektrum begrenzt ist (Schema 117). [477] Die Synthese von Trifluormethylsulfiden aus Aryl-und Alkyl-Grignard-Nucleophilen mit Trifluormethansulfanamid-Reagentien als elektrophiler Quelle für "SCF 3 -Gruppen" wurde ebenfalls beschrieben (Schema 116).…”
Section: Synthese Von Trifluormethylsulfidenunclassified
“…[477] Die Synthese von Trifluormethylsulfiden aus Aryl-und Alkyl-Grignard-Nucleophilen mit Trifluormethansulfanamid-Reagentien als elektrophiler Quelle für "SCF 3 -Gruppen" wurde ebenfalls beschrieben (Schema 116). [478] Der Austausch von Chlorid durch S N Ar-Reaktion elektronenarmer Chlorarene mit Silbertrifluormethylthiolat liefert die gewünschten Aryltrifluormethylsulfide, auch wenn das Substratspektrum begrenzt ist (Schema 117). [479] Analog zur Synthese von Aryltrifluormethylethern wurde aus ortho-Trimethylsilylphenyltrifluormethansulfonat ein intermediäres Benz-in hergestellt, das mit TDAE/Bis(trifluormethylthiolat) zu Phenyltrifluormethylsulfid reagiert (Schema 118).…”
Section: Trifluormethylether -Sulfide Und -Amineunclassified